IMP biosynthetic genes constitute the pur operon and are involved in Purines synthesis. Bacterial strain used for this 

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#Question id: 3510

#Unit 8. Inheritance Biology

Assume that the trihybrid cross AA BB RR X aa bb rr is made in a plant species in. What proportion of F2 progeny would be expected to be homozygous for all three genes when independently assort?

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#Question id: 12094

#Unit 10. Ecological Principles

Which of the following plant groups is now extinct?

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#Question id: 10213

#Unit 6. System Physiology – Plant

What is the reason behind that an organism cannot live or die in the presence of both light and molecular oxygen?

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#Question id: 28400

#Unit 5. Developmental Biology

Which of the following is the major candidate for the factor that forms the Nieuwkoop center ? 

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#Question id: 1314

#Unit 4. Cell Communication and Cell Signaling

In desmosomes, cadherins link to an adjacent cell via: